Chug water...........by the gallon if you have to. Helps me a ton. Eat a big meal, as well. I used to smoke weed before cutting the grass, and drink beers after. Heck, I even mowed the lawn high on ecstasy once. HAHAHA.
What you're going through is not all that uncommon. And guess what? You can make it through this. So long as you allow yourself to do so. And it's really just that simple.